# Step 1 - Choose a Factory

### Choose your Substance Instance Factory

![](https://2959358512-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MkbFtFcgzGsjc9kCvZT%2Fuploads%2F6LZ2cwjUtxduAB6HyzNN%2FT_Tutorial_Step1_Docs.jpg?alt=media\&token=aa216a99-ce76-4bcd-8dcd-f5b07748f40d)

The Substance Instance Factory is used to create Substance Graph instances. There are a number of Instance Factories to choose from in the Master Graph folder. The default Factory for the Library is RM\_DecalDesignerV1\_Standard 

{% hint style="info" %}
The main difference with the Factories is which Textures their children Graphs output. Picking a Factory which only generates the Textures you need will improve the performance of the Graph while generating Textures.
{% endhint %}

[Click here for more info about the differences between the Factories](https://ronanmahon-art.gitbook.io/decal-designer/technical-reference/substance-instance-factory)